Introduction To Cardiovascular Physiology Flashcards
1
Q
What part of the heart has a greater force of contraction? Why?
A
- left ventricle
- thicker walls
2
Q
What care cardiac cells that have pacemaker activity called?
A
Nodal cells or pacemaker cells
3
Q
What is bathmotropy?
A
Excitability of the heart
4
Q
What is chronotropy?
A
The heart’s action potential emission frequency
5
Q
What is dromotropy?
A
The hearts action potential conduction speed or conduction
6
Q
What is inotropy?
A
The hearts muscular contraction force
7
Q
What is lusitropy?
A
The hearts diastolic relaxation
8
Q
What is tonotropy?
A
The hearts distensibility